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2 April, 02:19

A 70.0 kg sailor climbs a 28.3 m rope ladder at an angle of 45.0° with the mast. How much work did he do?

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  1. 2 April, 02:38
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    The force is mg, the vertical distance is 28.3 cos (45) m. So the work is 70 kg * 9.8 m/s^2 * 28.3 cos (45)
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